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Tag: schools
April 14, 2021
School Closures Reduced Social Mixing of Children during COVID-19 with Implications for Transmission Risk and School Reopening Policies
A modeling study using data on children’s social contacts found that closures of elementary schools in spring 2020 in the Bay Area of California averted comparatively fewer cases than closures of middle and high schools and workplaces. The authors hypothesize this relatively smaller reduction in averted cases may be due to elementary school children having…
The Effect of In-Person Primary and Secondary School Instruction on County-Level SARS-CoV-2 Spread in Indiana
A county-level population-based study in Indiana found that for every 10% increase in the proportion of students attending in-person instruction, daily risk of SARS-CoV-2 infection increased by 0.336 per 100,000 population. This corresponds to an overall 0.8% increase over the expected number of cases 28 days later. The authors note that this increase is very…
April 1, 2021
Simulation-Based Estimation of SARS-CoV-2 Infections Associated With School Closures and Community-Based Nonpharmaceutical Interventions in Ontario, Canada
An agent-based transmission model calibrated to the population and COVID-19 case numbers observed in Ontario, Canada suggests that changes in case numbers associated with school reopenings were relatively small compared with the changes associated with non-pharmaceutical interventions (NPIs). Among 1 million simulated individuals from September to October 2020, incident COVID-19 cases without community-based NPIs were…
March 29, 2021
SARS-CoV-2 Acquisition and Immune Pathogenesis Among School-Aged Learners in Four K-12 Schools
[Pre-print, not peer-reviewed] A study of SARS-CoV-2 infection in four schools (A-D) with either remote or onsite learning determined that infections in schools reflected regional infection rates rather than learning modality type (remote vs. onsite). School A (mostly low-income Hispanic students, remote instruction) had the highest frequency of infection (9/70, 12.9%) and IgG positivity (13/70,…
March 25, 2021
In-Person Schooling and COVID-19 Transmission in Canada’s Three Largest Cities
[Pre-print, not peer-reviewed] Mandatory in-person instruction without universal mask mandates may contribute to increased community transmission of SARS-CoV-2, according to a comparative case study that examined weekly incidence among children ages 0-19 years in Canada’s three largest cities from August 2020 to January 2021. The highest incidence among children ages 0-19 years by the end…
March 23, 2021
Details of COVID-19 Disease Mitigation Strategies in 17 K-12 Schools in Wood County Wisconsin
[Pre-print, not peer-reviewed] Minimal in-school transmission of COVID-19 occurred despite low adherence to mitigation measures and minimal improvements in ventilation systems between August and November 2020 in Wood County, Wisconsin. According to surveys distributed to the administrations of participating schools, 89% of elementary students did not maintain 6 feet of physical distancing in the classroom,…
March 19, 2021
Pilot Investigation of SARS-CoV-2 Secondary Transmission in Kindergarten Through Grade 12 Schools Implementing Mitigation Strategies — St. Louis County and City of Springfield, Missouri, December 2020
School-based SARS-CoV-2 secondary transmission occurred in 2% of 102 close contacts identified in investigations of cases that occurred in K-12 schools (n=22) in Springfield and St. Louis County, Missouri. All schools offered in person-learning, with 21,342 (70%) students attending in-person at least part-time. While schools in both counties implemented COVID-19 mitigation strategies, schools in Springfield…
Low SARS-CoV-2 Transmission in Elementary Schools — Salt Lake County, Utah, December 3, 2020–January 31, 2021
Despite high community incidence and an inability to space classroom seats at least 6 feet apart, there was low SARS-CoV-2 transmission and no school-related outbreaks in 20 Salt Lake County elementary schools. Schools documented high mask adherence among students and also implemented multiple strategies to limit transmission. The authors suggest that these findings add to…
COVID-19 in Primary and Secondary School Settings During the First Semester of School Reopening — Florida, August–December 2020
COVID-19 school-related incidence among Florida students was low (August-December 2020), were most schools resumed in-person instruction sometime during August 2020, and was correlated with community incidence and was highest in smaller counties, districts without mask requirements, and those that reopened earliest after closure in March 2020. A total of 63,654 total cases of COVID-19 were…
March 18, 2021
Association of Children’s Mode of School Instruction with Child and Parent Experiences and Well-Being During the COVID-19 Pandemic — COVID Experiences Survey, United States, October 8–November 13, 2020
Compared to US parents of children aged 5-12 years receiving in-person instruction only, parents of children receiving virtual instruction were more likely to report poor child well-being, such as decreased physical activity (63% vs 30%) or worsened mental and emotional health (25% vs 16%). Parents of children receiving virtual instruction were also more likely to…
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